CVE-2025-8746
GNU libopts __strstr_sse2 memory corruption
Description
A vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Affected is the function __strstr_sse2. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library." This vulnerability only affects products that are no longer supported by the maintainer.
INFO
Published Date :
Aug. 9, 2025, 6:15 a.m.
Last Modified :
Sept. 16, 2025, 3:36 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update GNU libopts to the latest version available.
- Contact the GNU libopts maintainer for patch information.
- Remove or replace unsupported software versions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8746.
| URL | Resource |
|---|---|
| https://drive.google.com/file/d/1yjKOHxvL_9xExy4QUb5x43dxci1x59ts/view?usp=sharing | Exploit |
| https://github.com/appneta/tcpreplay/issues/957 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393 | Exploit Issue Tracking Vendor Advisory |
| https://vuldb.com/?ctiid.319242 | Permissions Required VDB Entry |
| https://vuldb.com/?id.319242 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.623632 | Exploit Third Party Advisory VDB Entry |
| https://www.gnu.org/ | Product |
| https://github.com/appneta/tcpreplay/issues/957 | Exploit Issue Tracking Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8746 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8746
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8746 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8746 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 16, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-787 Added CPE Configuration OR *cpe:2.3:a:gnu:libopts:*:*:*:*:*:*:*:* versions up to (including) 27.6 Added Reference Type VulDB: https://github.com/appneta/tcpreplay/issues/957 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.319242 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.319242 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.623632 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.gnu.org/ Types: Product Added Reference Type VulDB: https://drive.google.com/file/d/1yjKOHxvL_9xExy4QUb5x43dxci1x59ts/view?usp=sharing Types: Exploit Added Reference Type CISA-ADP: https://github.com/appneta/tcpreplay/issues/957 Types: Exploit, Issue Tracking, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 11, 2025
Action Type Old Value New Value Added Reference https://github.com/appneta/tcpreplay/issues/957 -
New CVE Received by [email protected]
Aug. 09, 2025
Action Type Old Value New Value Added Tag unsupported-when-assigned Added Description A vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Affected is the function __strstr_sse2. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library." This vulnerability only affects products that are no longer supported by the maintainer. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-119 Added Reference https://drive.google.com/file/d/1yjKOHxvL_9xExy4QUb5x43dxci1x59ts/view?usp=sharing Added Reference https://github.com/appneta/tcpreplay/issues/957 Added Reference https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393 Added Reference https://vuldb.com/?ctiid.319242 Added Reference https://vuldb.com/?id.319242 Added Reference https://vuldb.com/?submit.623632 Added Reference https://www.gnu.org/